Description
bootmod3 (BM3)
Flash tune (cloud/app)
Stage 1 / Stage 2
ACN91 / 91 / 93 / E30 / E50
bootmod3 S58 Tune (G80 / G82 / G87 / F97 / F98)
OTS tuning maps for S58-powered BMW M cars (M3 / M4 / M2 / X3M / X4M) with Stage 1 and Stage 2 options across multiple fuels including ACN91, 91, 93, E30, Race Gas, and E50.
Estimated crank output below uses: Baseline = 480 hp / 405 lb-ft (assumed for North American baseline).
Estimated crank output below uses: Baseline = 480 hp / 405 lb-ft (assumed for North American baseline).
What you get
- BM3 license setup / onboarding help (if needed)
- OTS map selection guidance for your fuel & setup
- Basic support for flashing + datalogging
- OBD Bench Unlock available (mail in DME)
Requirements
- BM3 WiFi adapter or OBD ENET cable (sold separately)
- iOS/Android phone or Windows/macOS laptop
- Stable battery voltage during flash (charger recommended)
- G80/G82/G87: Femto unlock required (verify before purchase)
Estimated gains
Baseline assumed: 480 hp / 405 lb-ft. Percent gains shown are from BM3โs S58 OTS map โpower gainsโ section (listed for X3M/X4M) and used here as a consistent estimate across S58 models.
Baseline
480 hp
405 lb-ft
Top estimate
658 hp
591 lb-ft
(Stage 2 E50)
Payment note
Pay with Zelle and you will pay the price as shown (no additional charges for tax, shipping, etc).
S58 model group (G80 / G82 / G87 / F97 / F98)
Percent gains applied to 480 hp / 405 lb-ft baseline
Stage 1 / Stage 2 โข ACN91 / 91 / 93 / E30 / Race / E50
| Map | Gain | Est. HP | Est. TQ |
|---|---|---|---|
| Stage 1 โข ACN91 octane | +11% HP / +25% TQ | 533 | 506 |
| Stage 2 โข ACN91 octane | +13% HP / +28% TQ | 542 | 518 |
| Stage 1 โข 91 octane | +13% HP / +26% TQ | 542 | 510 |
| Stage 2 โข 91 octane | +22% HP / +34% TQ | 586 | 543 |
| Stage 1 โข 93 octane | +20% HP / +30% TQ | 576 | 527 |
| Stage 2 โข 93 octane | +23% HP / +34% TQ | 590 | 543 |
| Stage 1 โข E30 blend | +28% HP / +36% TQ | 614 | 551 |
| Stage 2 โข E30 blend | +33% HP / +44% TQ | 638 | 583 |
| Stage 2 โข Race Gas | +33% HP / +44% TQ | 638 | 583 |





